CVE-2020-3148 : Security Advisory and Response

A vulnerability in the web-based interface of Cisco Prime Network Registrar (CPNR) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system.

Understanding CVE-2020-3148

This CVE involves a security flaw in Cisco Prime Network Registrar that could be exploited by attackers to manipulate device configurations.

What is CVE-2020-3148?

The vulnerability in Cisco Prime Network Registrar allows attackers to perform CSRF attacks, potentially leading to unauthorized changes in device configurations.

The Impact of CVE-2020-3148

The vulnerability could enable attackers to modify device configurations, including user account creation and editing, impacting network service availability.

Technical Details of CVE-2020-3148

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerability arises from insufficient CSRF protections in the web-based interface of Cisco Prime Network Registrar.

Affected Systems and Versions

Product: Cisco Prime Network Registrar
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Impact: High
Vector String: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

Mitigation and Prevention

Protecting systems from CVE-2020-3148 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches promptly
Monitor network configurations for unauthorized changes
Educate users on phishing and social engineering tactics

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks
Regularly update and patch software and firmware
Conduct security awareness training for employees

Patching and Updates

Regularly check for security advisories and updates from Cisco to address vulnerabilities like CVE-2020-3148.